CN210272741U - Stack type electronic card connector - Google Patents

Abstract

The utility model discloses a heap electronic card connector, it includes upper terminal module and lower terminal module, the upper terminal module includes insulator and upper end subunit, the lower terminal module includes insulator and lower terminal module down, go up the insulator with the insulator is formed with the slot jointly down, the upper end subunit is including being located the last contact site of slot, the lower terminal module is including being located the lower contact site of slot, go up the contact site with lower contact site sets up relatively, go up the terminal module with fold together again behind the lower terminal module integrated into one piece, go up the insulator with insulator folding department is equipped with sunkenly down, so design, and the punching die utensil and mould can be shared to upper terminal module and lower terminal module, simplifies manufacturing process, has reduced manufacturing cost.

Description

Stack type electronic card connector

Technical Field

The present invention relates to stacked electronic card connectors, and more particularly to a stacked electronic card connector having a plurality of terminal modules.

Background

With the rapid development of electronic products, the size of the electronic products is becoming smaller, and thus the signal transmission devices are also being smaller, lighter, thinner and more portable. The existing stacked electronic card connector is produced by an upper independent terminal module structure and a lower independent terminal module structure, each terminal module comprises an insulator and a conductive terminal group which is inserted and molded in the insulator, two sets of dies need to be arranged, the stacked electronic card connector is welded on the circuit board and needs to be welded twice, the development cost is high, and the process is complicated.

Therefore, there is a need to design a new stacked electronic card connector to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heap electronic card connector with simplify manufacturing process.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a stacked electronic card connector comprises an upper terminal module and a lower terminal module, wherein the upper terminal module comprises an upper insulator and an upper terminal group which is inserted into the upper insulator, the lower terminal module comprises a lower insulator and a lower terminal group which is inserted into the lower insulator, a slot is formed by the upper insulator and the lower insulator together, the upper terminal group comprises an upper contact part which is positioned in the slot, the lower terminal group comprises a lower contact part which is positioned in the slot, the upper contact part and the lower contact part are arranged oppositely, the upper terminal module and the lower terminal module are folded together after being integrally formed, and a recess is formed at the folding position of the upper insulator and the lower insulator.

In a further improvement, the upper insulator and the lower insulator are integrally connected at the recess.

In a further improvement, the upper insulator and the lower insulator have a fracture surface at the recess.

In a further refinement, the upper insulator has an upper connection tail portion extending rearward, the lower insulator has a lower connection tail portion extending rearward, and the upper connection tail portion is stacked on the lower connection tail portion.

In a further improvement, the upper connection tail part and the lower connection tail part are respectively in a horizontal plate shape.

In a further improvement, the upper connection tail part and the lower connection tail part are integrally connected or disconnected.

In a further improvement, before the upper terminal module and the lower terminal module are folded, the recess is arranged at the joint of the upper connection tail part and the lower connection tail part.

In a further improvement, the detection device further comprises a detection terminal assembled on the upper insulator or/and the lower insulator, and the detection terminal is provided with a pressing part which extends forwards into the slot.

The card withdrawing mechanism is assembled on the upper insulator or/and the lower insulator and comprises a crank and a push rod actuated with the crank.

The improved structure of the metal shell is characterized by further comprising a metal shell assembled on the upper insulator or/and the lower insulator, wherein the upper insulator or/and the lower insulator is/are provided with a buckling arm, a buckling block is arranged on the inner side of the buckling arm, the metal shell comprises a side wall, and the side wall is provided with a buckling hole buckled with the buckling block.

The upper terminal module and the lower terminal module of the stacked electronic card connector are integrally formed and then folded together, the folding part of the upper insulator and the lower insulator is provided with the recess, and the upper terminal module and the lower terminal module can share the punching die and the molding die, thereby simplifying the manufacturing process and reducing the production cost; the upper terminal module and the lower terminal module are convenient to fold by arranging the recess; the stacked electronic card connector is welded on the circuit board without welding the board twice, and can be completed by welding the board once, thereby reducing the development cost and simplifying the process.

Drawings

Fig. 1 is a schematic perspective view of the stacked electronic card connector of the present invention before the upper terminal module and the lower terminal module are folded.

Fig. 2 is a schematic perspective view of the upper terminal module and the lower terminal module of the present invention after being folded.

Fig. 3 is a side view of fig. 1.

Fig. 4 is a side view of fig. 2.

Fig. 5 is a perspective view of the stacked electronic card connector of the present invention before the upper terminal module and the lower terminal module are folded, showing the detecting terminal, the card withdrawing mechanism and the metal shell assembled on the lower terminal module.

Fig. 6 is a perspective view of the stacked electronic card connector of the present invention.

Detailed Description

Referring to fig. 1 to 6, the present invention discloses a stacked electronic card connector 100 for inserting and extracting a card holder (not shown) that can at least hold an upper electronic card and a lower electronic card, wherein the types of the upper electronic card and the lower electronic card can be the same or different. The stacked electronic card connector 100 includes an upper terminal module 10, a lower terminal module 20, a detecting terminal 30, a card withdrawing mechanism 40 and a metal housing 50, wherein the upper terminal module 10 and the lower terminal module 20 are folded together, and the upper terminal module 10 is located above the lower terminal module 20.

The upper terminal module 10 includes an upper insulator 11 and an upper terminal set 12 insert-molded on the upper insulator 11, wherein the upper insulator 11 has a plurality of latch arms 111 extending downward and two upper connection tails 115 extending rearward on the left and right sides, and the two upper connection tails 115 are respectively in a horizontal plate shape and spaced apart from each other. The inner side of the end of the fastening arm 111 is provided with a fastening block 112. The upper terminal set 12 includes an upper contact portion 120 protruding downward from the upper insulator 11 for electrical contact with the upper electronic card.

The lower terminal module 20 includes a lower insulator 21 positioned below the upper insulator 11 and a lower terminal group 22 insert-molded to the lower insulator 21. The slot 23 for accommodating the card holder is formed between the upper insulator 11 and the lower insulator 21, the lower insulator 21 is also provided with two lower connecting tails 215 extending backwards, the two lower connecting tails 215 are respectively in a horizontal plate shape, are spaced from each other at left and right, and are stacked together with the upper connecting tail 115, before the upper terminal module 10 and the lower terminal module 20 are folded, the upper connecting tail 112 and the lower connecting tail 215 are integrally connected and are positioned on the same horizontal plane, so that the upper terminal module 10 and the lower terminal module 20 are conveniently integrally formed, the process is optimized, and the manufacturing cost is reduced.

After the upper terminal module 10 and the lower terminal module 20 are integrally formed, the upper terminal module 10 is rotated 180 degrees counterclockwise with the joint of the upper connecting tail 115 and the lower connecting tail 215 as a fulcrum, so that the upper connecting tail 115 and the lower connecting tail 215 are folded together, thereby forming the stacked electronic card connector 100. In addition, before the upper connection tail portion 115 and the lower connection tail portion 215 are folded, the lower surface of the joint is provided with a V-shaped recess 25 for reducing the strength of the joint to make it easy to fold. The upper connection tail portion 115 and the lower connection tail portion 215 are folded to be in a connection or disconnection state at the recess 25, and when in the disconnection state, the fracture surface formed at the rear end of the upper connection tail portion 115 and the lower connection tail portion 215 can be seamlessly jointed.

The lower insulating block 21 is further provided with a protrusion 213 and a rotating shaft 214, the protrusion 213 is located behind the slot 23 and is used for mounting the detecting terminal 30, when the card holder is inserted into the slot 23, the detecting terminal 30 can be pressed backwards, and the rotating shaft 214 is used for mounting the card withdrawing mechanism 40. The lower terminal set 22 includes a lower contact portion 220 upwardly protruded from the lower insulator 21 for electrically contacting with the lower electronic card, and the upper contact portion 120 is disposed opposite to the lower contact portion 220.

The detecting terminal 30 is assembled on the bump 213 of the lower insulator 21, the detecting terminal 30 has a soldering pin 31 extending out of the lower insulator 21 and a pressing portion 32 protruding forward into the slot 23, and when the card holder is fully inserted into the slot 23, the pressing portion 32 can move backward.

The card ejecting mechanism 40 includes a crank 41 and a push rod 42 operating with the crank 41, the crank 41 is rotatably disposed on the lower insulator 21, and the crank 41 has a circular hole for inserting the rotating shaft 214 of the lower insulator 21.

The metal shell 50 covers the outer sides of the upper terminal module 10 and the lower terminal module 20, the metal shell 50 includes a bottom wall 51 and side walls 52 extending from the left and right ends of the bottom wall 51 in an upward bending manner, the bottom wall 51 covers the lower surface of the lower insulator 21, and the side walls 52 cover the outer side surfaces of the upper insulator 11 and the lower insulator 21. The side wall 52 is also provided with a snap hole 522 for snapping together the snap block 112 of the upper insulator 11.

The manufacturing process of the stacked electronic card connector 100 of the present invention substantially comprises the following steps:

first, the upper terminal module 10 and the lower terminal module 20 are integrally injection molded (insert molding), the upper terminal module 10 and the lower terminal module 20 are approximately in the same horizontal plane, and the upper connection tail 112 and the lower connection tail 11 are integrally connected;

secondly, the detecting terminal 30, the card withdrawing mechanism 40 and the metal shell 50 are respectively assembled on the lower insulator 21 of the lower terminal module 20;

finally, connect afterbody 112 and connect afterbody 11 junction down more than last terminal module 10 and be 180 for the anticlockwise upset of fulcrum, go up terminal module 10 and fold together with lower terminal module 20, the junction is in disconnection or connected state, when being in disconnected state, go up and connect afterbody 112 and the section of connecting afterbody 11 rear end down and can seamless joint together, the utility model discloses heap connector-card 100 makes and accomplishes.

The stacked electronic card connector 100 of the present invention is formed by integrally molding the upper terminal module 10 and the lower terminal module 20 and then folding them, and the upper terminal module 10 and the lower terminal module 20 can share a punching mold and a molding mold, so as to simplify the manufacturing process and reduce the production cost; the stacked electronic card connector 100 is soldered on a circuit board without twice soldering, and can be completed by one-time soldering, thereby reducing development cost and simplifying process.

In other embodiments, the detecting terminal 30, the card withdrawing mechanism 40 or the metal shell 50 may be assembled on the upper terminal module 10 in advance, and the metal shell 50 may also be assembled after the upper terminal module 10 and the lower terminal module 20 are folded, so as to achieve the purpose of the present invention.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims (10)

1. A stacked electronic card connector comprises an upper terminal module and a lower terminal module, wherein the upper terminal module comprises an upper insulator and an upper terminal group which is inserted into the upper insulator, the lower terminal module comprises a lower insulator and a lower terminal group which is inserted into the lower insulator, the upper insulator and the lower insulator jointly form a slot, the upper terminal group comprises an upper contact part which is positioned in the slot, the lower terminal group comprises a lower contact part which is positioned in the slot, and the upper contact part and the lower contact part are oppositely arranged, and the stacked electronic card connector is characterized in that: the upper terminal module and the lower terminal module are integrally formed and then folded together, and the folding positions of the upper insulator and the lower insulator are provided with depressions.

2. The stacked electronic card connector of claim 1, wherein: the upper insulator and the lower insulator are integrally connected at the recess.

3. The stacked electronic card connector of claim 1, wherein: the upper insulator and the lower insulator have fracture surfaces at the concave positions.

4. The stacked electronic card connector of claim 1, wherein: the upper insulator has an upper connection tail portion extending rearward, the lower insulator has a lower connection tail portion extending rearward, and the upper connection tail portion is stacked on the lower connection tail portion.

5. The stacked electronic card connector of claim 4, wherein: the upper connection tail part and the lower connection tail part are respectively in a horizontal plate shape.

6. The stacked electronic card connector of claim 4, wherein: the upper connection tail part and the lower connection tail part are integrally connected or disconnected.

7. The stacked electronic card connector of claim 4, wherein: before the upper terminal module and the lower terminal module are folded, the recess is arranged at the joint of the upper connecting tail part and the lower connecting tail part.

8. The stacked electronic card connector of claim 1, wherein: the detection terminal is assembled on the upper insulator or/and the lower insulator and provided with a pressing part which extends forwards into the slot.

9. The stacked electronic card connector of claim 1, wherein: the card ejecting mechanism is assembled on the upper insulator or/and the lower insulator and comprises a crank and a push rod actuated with the crank.

10. The stacked electronic card connector of claim 1, wherein: the metal shell is assembled on the upper insulator or/and the lower insulator, the upper insulator or/and the lower insulator is/are provided with a buckling arm, a buckling block is arranged on the inner side of the buckling arm, the metal shell comprises a side wall, and the side wall is provided with a buckling hole buckled with the buckling block.

Images